Home / 903,168,059.20-1,354,752,088.80-328,664,737.60

Finding the Fourth Proportional to 903,168,059.20, 1,354,752,088.80 and 328,664,737.60

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Solution

The fourth proportional to 903,168,059.20, 1,354,752,088.80 and 328,664,737.60 is: 492,997,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,168,059.20 : 1,354,752,088.80 = 328,664,737.60 : x
  2. Step 2: Convert to fraction form
    903,168,059.20/1,354,752,088.80 = 328,664,737.60/x
  3. Step 3: Cross multiply
    903,168,059.20x = 1,354,752,088.80 × 328,664,737.60
  4. Step 4: Simplify right side
    903,168,059.20x = 445,259,239,778,503,936
  5. Step 5: Solve for x
    x = 445,259,239,778,503,936/903,168,059.20
  6. Step 6: Final answer
    x = 492,997,106.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.